+++ /dev/null
-/*******************************************************************************\r
- * Copyright (c) 2007, 2013 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.objmap.graph.schema;\r
-\r
-import java.util.ArrayList;\r
-\r
-import org.apache.log4j.Logger;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.utils.NameUtils;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.objmap.backward.IBackwardMapping;\r
-import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;\r
-import org.simantics.objmap.exceptions.MappingException;\r
-import org.simantics.objmap.forward.IForwardMapping;\r
-\r
-\r
-/**\r
- * A link type that is associated with single domain and range type (class).\r
- * SimpleLinkType is composed of simpler rules whose combination determines\r
- * its update policy.\r
- * @author Hannu Niemist�\r
- */\r
-public class SimpleLinkType<Range> implements ILinkType<Resource,Range> {\r
- \r
- static Logger LOGGER = Logger.getLogger("org.simantics.objmap");\r
- \r
- public Resource domainType;\r
- public Class<?> rangeType;\r
- ArrayList<IBidirectionalMappingRule<Resource, Range>> rules;\r
- \r
- public SimpleLinkType(Resource domainType, Class<?> rangeType,\r
- ArrayList<IBidirectionalMappingRule<Resource, Range>> rules) {\r
- this.domainType = domainType;\r
- this.rangeType = rangeType;\r
- this.rules = rules;\r
- }\r
-\r
- public SimpleLinkType(Resource domainType, Class<?> rangeType) {\r
- this(domainType, rangeType, new ArrayList<IBidirectionalMappingRule<Resource, Range>>());\r
- }\r
-\r
- /**\r
- * Adds a new rule to this link type that is enforced\r
- * during updates.\r
- */\r
- public void addRule(IBidirectionalMappingRule<Resource, Range> rule) {\r
- rules.add(rule);\r
- }\r
- \r
- @Override\r
- public Resource createDomainElement(WriteGraph g, Range rangeElement)\r
- throws MappingException {\r
- try {\r
- if(LOGGER.isInfoEnabled())\r
- LOGGER.info("SimpleLinkType.createDomainElement " +\r
- rangeElement.toString()\r
- );\r
- Resource result = g.newResource();\r
- g.claim(result, Layer0.getInstance(g).InstanceOf, null, domainType);\r
- return result;\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- }\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public Range createRangeElement(ReadGraph g, Resource domainElement)\r
- throws MappingException {\r
- try {\r
- if(LOGGER.isInfoEnabled())\r
- try { \r
- LOGGER.info("SimpleLinkType.createRangeElement " +\r
- NameUtils.getSafeName(g, domainElement)\r
- );\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- return (Range)rangeType.newInstance();\r
- } catch (InstantiationException e) {\r
- throw new MappingException(e);\r
- } catch (IllegalAccessException e) {\r
- throw new MappingException(e);\r
- }\r
- }\r
- \r
- public void createDomain(WriteGraph graph, IBackwardMapping<Resource,Range> mapping, Resource domainElement, Range rangeElement) throws MappingException {\r
- updateDomain(graph, mapping, domainElement, rangeElement);\r
- };\r
- \r
- public void createRange(ReadGraph graph, org.simantics.objmap.forward.IForwardMapping<Resource,Range> mapping, Resource domainElement, Range rangeElement) throws MappingException {\r
- updateRange(graph, mapping, domainElement, rangeElement);\r
- };\r
- \r
- public boolean updateDomain(WriteGraph g, IBackwardMapping<Resource,Range> map, Resource domainElement, Range rangeElement) throws MappingException {\r
- if(LOGGER.isInfoEnabled())\r
- try { \r
- LOGGER.info("SimpleLinkType.updateDomain " +\r
- NameUtils.getSafeName(g, domainElement) + " " +\r
- rangeElement.toString()\r
- );\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- \r
- boolean updated = false;\r
- for(IBidirectionalMappingRule<Resource, Range> rule : rules)\r
- updated |= rule.updateDomain(g, map, domainElement, rangeElement);\r
- return updated;\r
- }\r
- \r
- public boolean updateRange(ReadGraph g, IForwardMapping<Resource,Range> map, Resource domainElement, Range rangeElement) throws MappingException {\r
- \r
- if(LOGGER.isInfoEnabled())\r
- try { \r
- LOGGER.info("SimpleLinkType.updateRange " +\r
- NameUtils.getSafeName(g, domainElement) + " " +\r
- rangeElement.toString()\r
- );\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- \r
- boolean updated = false;\r
- for(IBidirectionalMappingRule<Resource, Range> rule : rules)\r
- updated |= rule.updateRange(g, map, domainElement, rangeElement);\r
- return updated;\r
- }\r
-}\r